. >> reporter: you never even referred to him as jack. it was always mr. president. >> always mr. president. >> reporter: it may not have been romantic, but mimi says it wasn't an affair the president was in any hurry to end. she says when she returned to wheaton college in massachusetts, he asked if he could call her in her dorm so they created a special nickname for him. >> i came up with a name michael carter. that's a simple name to remember. all of a sudden one evening i heard down the hall, mimi beardsley, michael carter on the phone. and i got on the phone and, of course, it was the president. and the way he pronounced michael carter came out michael cotter. >> reporter: he had such a distinctive voice. you weren't worried someone would recognize that voice? >> i was wore ed, but he didn't seem to be worried, yeah. >> reporter: in fact, mimi says when a phone call wasn't enough, the president brazenly made arrangements to bring her back to washington. you're in a limo and they're picking you up i guess taking you to the airport to fly you to d.c. and you're doing your homew